

Weathering and Soil Horizons Flashcard
Flashcard
•
Science
•
6th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is soil and why is it valuable?
Back
Soil is a natural resource that supports life on land. It is valuable because everything on land depends on soil for nutrients, water, and support.
2.
FLASHCARD QUESTION
Front
Which layer of the soil profile is most affected by weathering and erosion?
Back
Layer 1 (Topsoil) is most affected by weathering and erosion.
3.
FLASHCARD QUESTION
Front
What is Horizon A in the soil profile?
Back
Horizon A, also known as Topsoil, is the layer with the most humus, where most plant roots grow, and is darker in color.
4.
FLASHCARD QUESTION
Front
What is deposition in the context of soil and rocks?
Back
Deposition is the process that transports rocks, soil, and sediments to a different location.
5.
FLASHCARD QUESTION
Front
What is abrasion in geology?
Back
Abrasion is the grinding away of rocks by other rock particles carried by wind, water, and glaciers.
6.
FLASHCARD QUESTION
Front
What is humus?
Back
Humus is the organic component of soil formed by the decomposition of plant and animal matter, providing nutrients to plants.
7.
FLASHCARD QUESTION
Front
What are the main components of soil?
Back
The main components of soil are minerals, organic matter, water, and air.
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